Plum fruit fly

The plum fruit fly (Bactrocera pruniae) is a significant insect pest belonging to the Tephritidae family, order Diptera. This species is recognized for its specific affinity for stone fruits, making it a subject of rigorous phytosanitary surveillance in many agricultural regions across the globe.

It primarily attacks fruit-bearing plants within the Prunus genus. These include plums, apricots, cherries, and peaches. The pest finds these fruits highly attractive due to their sugar content and skin texture, which the female fly can easily pierce to deposit her eggs during the ripening process.

The biology of the plum fruit fly involves a rapid development cycle. Once the eggs hatch, the larvae bore into the fruit tissue, feeding extensively on the pulp. The duration of this larval stage is highly dependent on ambient temperature and fruit maturity, with the larvae eventually exiting the fruit to pupate in the soil.

Infested fruits exhibit clear signs of damage, including pinprick marks from oviposition, followed by softening and decay of the surrounding tissue. The internal damage caused by larval feeding renders the fruit unfit for human consumption, often leading to mass premature fruit drop and major economic losses.

Effective management requires an integrated approach to minimize the reliance on chemical treatments. Monitoring and prevention are key to maintaining healthy orchards.

• Installation of pheromone traps for population tracking.
• Strict sanitation protocols, including the removal of fallen fruits.
• Application of biological control agents and targeted insecticide sprays.